Wheel-harrow



2 Sheets-Sheet 1,.

(No Model.)

D. H. DOLBY.

WHEEL HARROW.

Patented June 30, 1885.

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(No Model.) 2 Sheets-Sheet 2. D. H. DOLBY.

WHEEL HARROW.

No.v321,283. Patented June 30, 1885.

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N ERS. HQWWMHPVIF, Washington, D. C.

UNITED STATES PATENT EricE.

DAVID H. DOLBY, OF HUNTINGTON, INDIANA.

WHEEL-HARROW.

SPECIFICATION forming part of Letters Patent No. 321,283, dated June 30. 1885.

Application filed July 22, 1884.

To @ZZ whom it may concern: y

Beitlinown that LDAVID H.DOLBY,ofHuntington, in the county of Huntington, State of Indiana, have invented a new and useful Improvenient in Harrows; and I do hereby declare that the following is a full, clear, and exact description of the invention,which will enable others skilled in the art to which it appertains to malte and'use it, reference being had to the accompanying drawings, forming a part thereof.

My invention relates to that class of harrows in which the harrow-frame is suspended or supported on a sulky or carriage; and it consists in the novel construction, combination, and arrangement of parts, as Will be hereinafter more fully described and claimed.

In the drawings, Figure 1 is a plan view, and Fig. 2 a side view, of my machine, one of the wheels in the latter gure being removed.

The tooth-frame is composed of the'front or side bars,A, the rear bars, a a,the middle har, c', and the intermediate bars, a?. This frame is approximately diamond shape,the parts A ct forming the side of same, as shown most clearly in Fig. l. I prefer to use this form of frame, because I am thereby able to thoroughly harrow a given width with less draft than when the usual rectangular frame is employed. This, it will be noticed, is attained by bending or inclining the side bars,A,outward from their forward or draft ends, where they con` verge.

Bars A, c, and ci are provided with the teeth B, and they are so disposed as to harrow properly the space between the opposite sides of the frame. These teeth may be of any suitable desired shape or form.

The sulky or carriage has the tongue C, axle I), and wheels E, and may be provided with a drivers seat, F, which, by preference, would be set to one side of the tongue and the middle point of the axle, in order to permit the operating-lever to be pivoted at such point.

The spindles d of the axle are by preference bent forward from the line of the axle, iu order to hold the wheels E at an angle to line of draft, as shown most clearly in Fig. 1.

rihe elevating-lever G is pivoted near the (No model.)

rear edge of the axle D, and has secured to it near its pivot one end of a cord or link, H, the opposite end of which is secured to the tooth-frame. By depressing theupper end of the lever the said frame may be elevated to any proper point, and a rack-bar, I, is mounted on the carriage in position to engage and hold said lever when depressed. This bar may be provided with a series of teeth, so that the lever may be held at different points of adjustment, in order that the tooth-frame may be raised clear off'the ground `when turning or moving from barn to `field, or be adj usted to vary the depth its teeth will project into the ground.

Staples or guides J are secured on the axle near its opposite ends, and vertical bars J are secured at their lower ends to the tooth-frame and project upward through the said guides. This construction holds the tooth-frame from lateral movement independent of the sulky, and therefore prevents the said lframe from coming in contact with the wheels while being dragged or elevated, as will be understood from Fig. 2. In elevating t-he tooth-frame the tendency is for it to be thrown forward or back, and this would force its bars against the wheels. By the bars and guides I entirely obviate this, as before stated. I

The draft-links K K are secured at their rear ends to the sulky and the tooth-frame, respectively, preferably by means of hooks k It, as shown, and their forward ends are connected by a ring, K, to which is secured the doubletree Kr.

The team is hitched to this doubletree, and the draft, it will be seen, is thus applied simultaneously, independently, and equally to both tooth-frame and sulky, and the strain of one is not exerted against the other.

My machine is simple of structure, easily operated, and efficient, as will be understood from the foregoing description.

Having thus described my inveution,what I claim, and desire to secure by Letters Patent, 1s-Ik The improved barrow hereinbefore described, consisting of the tooth-frame, the

sulky having its wheels operating within the tooth-frame, the guides J, secured on said sulky, the bars J', secured :Lt theii` lower ends In testimony that I claim the foregoing to the tooth frame and projected upward append my signature. through guides J, the lever G, cord or link H,

mok I, and the draft-links K K', whereby the 5 draft is applied independently to both sulky Witnesses:

and tooth-frame, all substantially as and for XVILLIAM A. BRANYAN, the purpose specified. VILLIAM I. SHEARER.

DAVID H. DOLBY. 

